Cost: Walks are $10 per person unless noted (kids 3 and younger free). No reservations necessary, though you can pay for your walk in advance through Zerve.
To purchase by phone, call Zerve at 800-979-3370 or 212-209-3370 (int.).
 

Duration: Each walk lasts approximately 2 hours unless noted.
 

Groups: Groups of 20 or more should notify us in advance.
 

Where: Most walks embark from outside a Metrorail station.
 

Who: Your guide will be wearing a blue and green Washington Walks badge.
 

Weather: Walks are given rain or shine.